Using COC=C1CCC2(CC1)CCN(c1ccc(C(C)(C)C)cc1)C2=O to produce CC(C)(C)c1ccc(N2CCC3(CCC(C=O)CC3)C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.