Using CCO, CCc1cc2c(s1)-n1c(C)nnc1CN=C2c1ccccc1Cl to produce CCc1cc(C(=O)c2ccccc2Cl)c(-n2c(C)nnc2CN)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.