Using CC(=O)OC(C)=O, Cc1ccc2c(c1)c1c(n2CC(C)(O)c2cccnc2)CCN(C)C1 to produce CC(=O)OC(C)(Cn1c2c(c3cc(C)ccc31)CN(C)CC2)c1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.