Using COC(=O)c1ccc(CNc2nccn3c(-c4ccc(OC)c(OC)c4)cnc23)cc1 to produce COc1ccc(-c2cnc3c(NCc4ccc(CO)cc4)nccn23)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.