Using C=c1c(=O)[nH]c2n1Cc1cc(OCCCC(=O)N(CCOC(C)=O)C3CCCCC3)ccc1N=2 to produce C=c1c(=O)[nH]c2n1Cc1cc(OCCCC(=O)N(CCO)C3CCCCC3)ccc1N=2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.