Using CC(C)(C)OC(=O)N1CCC(Oc2ncccc2C2=CCOCC2)CC1 to produce CC(C)(C)OC(=O)N1CCC(Oc2ncccc2C2CCOCC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.