Using CC(=O)O, c1cc(-c2nc(N3CCOCC3)c3sccc3n2)c2cc[nH]c2c1 to produce O=C1Cc2c(cccc2-c2nc(N3CCOCC3)c3sccc3n2)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.