Using CCc1nc2c(C)cc(C(=O)OC)nc2n1Cc1ccc(-c2ccccc2-c2nc(=O)o[nH]2)cc1 to produce CCc1nc2c(C)cc(C(=O)O)nc2n1Cc1ccc(-c2ccccc2-c2nc(=O)o[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.