Using O=C(NOC1CCCCO1)c1ncc2c(ccn2Cc2ccc(F)cc2)c1CCCO to produce O=C1c2ncc3c(ccn3Cc3ccc(F)cc3)c2CCCN1OC1CCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.