Using NCc1cccs1, O=CCC1(n2cccn2)CCOC2(CCCC2)C1 to produce c1csc(CNCCC2(n3cccn3)CCOC3(CCCC3)C2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.