Using CCCn1c(=O)c2c(N)n[nH]c2n(Cc2ccccc2)c1=O, O=C(CCl)c1ccccc1 to produce CCCn1c(=O)c2c(nn3cc(-c4ccccc4)[nH]c23)n(Cc2ccccc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.