Using CCOC(=O)c1ccc(-c2ccc(-c3nc(-c4ccc(C)cc4)co3)cc2)cc1 to produce Cc1ccc(-c2coc(-c3ccc(-c4ccc(C(=O)O)cc4)cc3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.