Using [BH3-]C#N, CCOC(=O)C1CN(c2ccc(OC)c(OC)c2)CCC1=O to produce CCOC(=O)C1CN(c2ccc(OC)c(OC)c2)CCC1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.