Using Clc1ccc(N2CCOCC2)nn1, COC(=O)c1ccc(CN)cc1 to produce COC(=O)c1ccc(CNc2ccc(N3CCOCC3)nn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.