Using CCc1nnc(-c2cc(C(=O)OC)c(CC)cc2C2CCC2)[nH]1 to produce CCc1nnc(-c2cc(C(=O)O)c(CC)cc2C2CCC2)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.