Using CCCCc1nnc(OC2CCN(C(=O)OC(C)(C)C)CC2)cc1-c1ccc(OCc2ccccc2)cc1 to produce CCCCc1nnc(OC2CCNCC2)cc1-c1ccc(OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.