Using O=C(Cc1ccccc1)NC1CNC1=O, O=C(OCc1ccccc1)C(Br)c1ccccc1 to produce O=C(Cc1ccccc1)NC1CN(C(C(=O)OCc2ccccc2)c2ccccc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.