Using COc1ccc(CCO[C@H]2CCCC[C@@H]2N2CCC(=O)C2)cc1OC to produce COc1ccc(CCO[C@H]2CCCC[C@@H]2N2CCC(O)C2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.