Using CN(CCn1ncc2ccccc2c1=O)CC(O)c1ccc(N(Cc2ccccc2)S(C)(=O)=O)cc1 to produce CN(CCn1ncc2ccccc2c1=O)CC(O)c1ccc(NS(C)(=O)=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.