Using CCCCCNc1nc(N)nc(C)c1CCCNCc1cccc(CC(=O)OC)c1, COC(=O)CCC(=O)[O-] to produce CCCCCNc1nc(N)nc(C)c1CCCN(Cc1cccc(CC(=O)OC)c1)C(=O)CCC(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.