Using COc1cc(OC)c(-c2ccnn2-c2ccccc2C)cc1C(=O)O to produce Cc1ccccc1-n1nccc1-c1cc(C(=O)O)c(O)cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.