Using C[C@]12CC[C@H]3[C@@H](C[C@@H]4O[C@@]45C[C@@H](O)CC[C@]35C)[C@@H]1CCC2=O, C[C@]12CC[C@H]3[C@@H](C[C@H]4O[C@]45C[C@@H](O)CC[C@]35C)[C@@H]1CCC2=O to produce C[C@]12CC[C@H]3[C@@H](CC(=O)[C@@]4(O)CC(=O)CC[C@]34C)[C@@H]1CCC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.