Using CCc1nc2c(C)cc(C)nc2n1Cc1cc(C)c(OC(C(=O)OC)c2cccc(Cl)c2)c(C)c1 to produce CCc1nc2c(C)cc(C)nc2n1Cc1cc(C)c(OC(C(=O)O)c2cccc(Cl)c2)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.