Using O=C1CCCc2cccnc21, CN(CCCCN)C(=O)OC(C)(C)C to produce CN(CCCCNC1CCCc2cccnc21)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.