Using CC(C)[N-]C(C)C, CC(C)(C)OC(=O)N1CCC(=O)c2ccccc21 to produce CC1CN(C(=O)OC(C)(C)C)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.