Using CCOC(=O)C1CCN(c2c(-c3cccc(Cl)c3)c3ccc(C=O)nc3n(CC)c2=O)CC1 to produce CCOC(=O)C1CCN(c2c(-c3cccc(Cl)c3)c3ccc(CO)nc3n(CC)c2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.