Using CC1(C)CCCc2ccc(C(=O)O)cc21, CCOC(=O)c1ccc(O)cc1 to produce CCOC(=O)c1ccc(OC(=O)c2ccc3c(c2)C(C)(C)CCC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.