Using Cc1ccc(N(C(=O)c2ccc3ccccc3c2)C(=O)c2ccc3ccccc3c2)nc1 to produce Cc1ccc(NC(=O)c2ccc3ccccc3c2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.