Using O=C1CNCCN1, Fc1cc2ncccc2cc1Cc1cnc2ccc(Cl)nn12 to produce O=C1CN(c2ccc3ncc(Cc4cc5cccnc5cc4F)n3n2)CCN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.