Using C1COCCN1, COc1c(O)c(C)c2c(c1OC)OC(C)(CCCCC(=O)O)C2 to produce COc1c(O)c(C)c2c(c1OC)OC(C)(CCCCC(=O)N1CCOCC1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.