Using COC(=O)c1ccc(-c2cc(Nc3ccc(OC)c(OC)n3)c3nccn3n2)cc1 to produce COc1ccc(Nc2cc(-c3ccc(C(=O)O)cc3)nn3ccnc23)nc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.