Using COC(=O)c1cc2c([nH]1)CCC2Cc1ccc(C)c(C)c1 to produce Cc1ccc(CC2CCc3[nH]c(C(=O)O)cc32)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.