Using CI, O=C(c1ccccc1)N1CCc2c([nH]c3ccccc23)C1 to produce Cn1c2c(c3ccccc31)CCN(C(=O)c1ccccc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.