Using CC(C)(C)OC(=O)N1CC=C(N(C(=O)OC(C)(C)C)c2ccccc2)CC1 to produce CC(C)(C)OC(=O)N1CCC(N(C(=O)OC(C)(C)C)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.