Using O=C(CCCN1CCN(c2nsc3ccccc23)CC1)c1ccc(F)cc1 to produce OC(CCCN1CCN(c2nsc3ccccc23)CC1)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.