Using CCCC12C=CC=C(C3CCN(C(=O)OC(C)(C)C)CC3)C1C(=O)NC2=O to produce CC(C)(C)OC(=O)N1CCC(CCCN)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.