Using CC(=O)OC1C(=O)N(c2ccccc2)c2cc(Cl)ccc2-n2cnnc21 to produce O=C1C(O)c2nncn2-c2ccc(Cl)cc2N1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.