Using CNc1cccc(CCO)n1, COC(=O)CCc1cc2cc(O)ccc2[nH]1 to produce CNc1cccc(CCOc2ccc3[nH]c(CCC(=O)O)cc3c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.