Using COc1ccc(CC(C)=O)cc1, CC(C)(C)OC(=O)N1CCC(CN)CC1 to produce COc1ccc(CC(C)NCC2CCN(C(=O)OC(C)(C)C)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.