Using O=C(CCCl)Nc1ccccc1, c1ccc2c(Cc3ncc[nH]3)c[nH]c2c1 to produce O=C(CCn1cc(Cc2ncc[nH]2)c2ccccc21)Nc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.