Using CCOc1ccc(COc2ccc3c(c2)cc2n3CCC2CC(=O)OC(C)(C)C)cc1OCC to produce CCOc1ccc(COc2ccc3c(c2)cc2n3CCC2CC(=O)O)cc1OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.