Using CCOC(=O)NCCCN1c2ccccc2C(c2ccccc2)=Nc2cccnc21 to produce CNCCCN1c2ccccc2C(c2ccccc2)Nc2cccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.