Using C=C(OCC)c1cc(OCc2ccccc2)cc2nc(NC(=O)NCC)sc12 to produce CCNC(=O)Nc1nc2cc(OCc3ccccc3)cc(C(C)=O)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.