Using C[C@]12CC[C@@H]3c4ccc(OCc5ccccc5)cc4CC[C@H]3[C@@H]1CCC2=O, COC(=O)OC to produce COC(=O)[C@@H]1C[C@H]2[C@@H]3CCc4cc(OCc5ccccc5)ccc4[C@H]3CC[C@]2(C)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.