Using O=S(=O)(c1cccc2ccccc12)c1n[nH]c2ccc(OC3CCCN(Cc4ccccc4)C3)cc12 to produce O=S(=O)(c1cccc2ccccc12)c1n[nH]c2ccc(OC3CCCNC3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.