Using Cc1c(Cl)c(O)c(CCCCCCCCCC(=O)O)c(O)c1C=O, CC(C)(C)O to produce Cc1c(Cl)c(O)c(CCCCCCCCCC(=O)OC(C)(C)C)c(O)c1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.