Using O=C(O)C1=C(Nc2ccccc2)OCC1=O, Cc1ccc(N)cc1 to produce Cc1ccc(NC2=C(C(=O)Nc3ccccc3)C(=O)OC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.