Using CI, CC(C)(C)OC(=O)n1c(C(=O)O)cc2cc(OCc3ccccc3)cnc21 to produce COC(=O)c1cc2cc(OCc3ccccc3)cnc2n1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.