Using CCOC(=O)COc1cccc(CNCCn2cc(C(c3ccccc3)c3ccccc3)ccc2=O)c1, CC(=O)O[BH-](OC(C)=O)OC(C)=O to produce CCOC(=O)COc1cccc(CN(C)CCn2cc(C(c3ccccc3)c3ccccc3)ccc2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.