Using C[S+](C)C, C[C@@]12C[C@@H]3CC[C@@H]4CC(O)CC[C@@H]4[C@H]3C[C@H]1CCC2=O to produce C[C@@]12C[C@@H]3CC[C@@H]4C[C@H](O)CC[C@@H]4[C@H]3C[C@H]1CC[C@]21CO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.