Using CCCc1nc2c(C)ccnc2n1Cc1ccc2nn(-c3ccccc3C(=O)OCC)c(Br)c2c1 to produce CCCc1nc2c(C)ccnc2n1Cc1ccc2nn(-c3ccccc3C(=O)O)c(Br)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.