Using c1ccc2[nH]c(Cn3nnc4ccccc43)nc2c1, CNC(=O)CCl to produce CNC(=O)Cn1c(Cn2nnc3ccccc32)nc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.