Using COC(=O)CCNc1cccc(-c2cc(Cc3cnc(N)nc3N)cc(OC)c2OC)c1 to produce COc1cc(Cc2cnc(N)nc2N)cc(-c2cccc(NCCC(=O)O)c2)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.