Using O=C1OCc2cc(CCN3CCNCC3)ccc21, N#Cc1ccc2c(c1)OCCC2C=O to produce N#Cc1ccc2c(c1)OCCC2CN1CCN(CCc2ccc3c(c2)COC3=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.