Using COC(=O)c1ccc(C)c(-n2cnc3ccc(OC)cc3c2=O)c1 to produce COc1ccc2ncn(-c3cc(C(=O)O)ccc3C)c(=O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.