Using COc1ccc(C(=O)N2CC(C(C)=O)C(c3ccc(Cl)c(Cl)c3)C2)cn1 to produce COc1ccc(C(=O)N2CC(c3ccc(Cl)c(Cl)c3)C(C(C)O)C2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.