Using CI, COc1nccc(Cl)c1-c1nc2cc3c(cc2[nH]1)C(=O)NC3=O to produce COc1nccc(Cl)c1-c1nc2cc3c(cc2n1C)C(=O)NC3=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.