Using CC(C)(C)OC(=O)NC1CN(C2C=CCC2)c2ccccc2NC1=O to produce CC(C)(C)OC(=O)NC1CN(C2CCCC2)c2ccccc2NC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.