Using CC(C)(C)OC(=O)NC1CCC(NC(=O)N[C@@H]2CCN(Cc3ccccc3)C2)CC1 to produce CC(C)(C)OC(=O)NC1CCC(NC(=O)N[C@@H]2CCNC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.