Using O=C(O)c1ccc(-c2ccccc2)cc1, Nc1ccccc1NC(=O)c1nc2c(s1)CNCC2 to produce Nc1ccccc1NC(=O)c1nc2c(s1)CN(C(=O)c1ccc(-c3ccccc3)cc1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.