Using CCCc1nc2c(c(C)c(C)n3nnnc23)n1CCCS(=O)(=O)c1ccc(C(=O)OCC)cc1 to produce CCCc1nc2c(c(C)c(C)n3nnnc23)n1CCCS(=O)(=O)c1ccc(C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.