Using CCCCCCCc1nnc(-c2ccc(O)cc2)s1, CCCCC(C)(C#N)C(=O)O to produce CCCCCCCc1nnc(-c2ccc(OC(=O)C(C)(C#N)CCCC)cc2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.