Using C1=COCCC1, COC(=O)c1cccc(-c2nnc(CCO)s2)c1 to produce COC(=O)c1cccc(-c2nnc(CCOC3CCCCO3)s2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.