Using NCc1n[nH]c(=O)c2ccccc12, O=C(Cl)c1ccccc1 to produce O=C(NCc1n[nH]c(=O)c2ccccc12)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.