Using CCCCCCCCCCCc1cccc(OC(C(=O)CC)C(=O)OCC)c1, N=C(N)N to produce CCCCCCCCCCCc1cccc(Oc2c(O)nc(N)nc2CC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.