Using CCC(Cc1cnc2nc(N)nc(N)c2c1C)c1ccc(C(=O)OC)cc1 to produce CCC(Cc1cnc2nc(N)nc(N)c2c1C)c1ccc(C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.