Using O=C(O)CN(CC(=O)O)Cc1ccccc1, COc1ccc2cccc(N)c2c1 to produce COc1ccc2cccc(N3C(=O)CN(Cc4ccccc4)CC3=O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.