Using O=Cc1ccccc1, Cc1ccc(C(=O)c2ccccc2)c(N)c1 to produce Cc1ccc(C(=O)c2ccccc2)c(NCc2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.