Using C=CCCCN1C(=O)N=C(NC2CCCCC2)C12CCN(C(=O)OC(C)(C)C)CC2 to produce C=CCCCN1C(=O)N=C(NC2CCCCC2)C12CCNCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.