Using O=C([O-])[O-], CCOC(=O)c1c(Cl)nc2c(c1O)C(=O)CC1(CCC1)C2 to produce CCOC(=O)c1c(C2=CCOCC2)nc2c(c1O)C(=O)CC1(CCC1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.